Re: Wonder prototypes docs ?
Re: Wonder prototypes docs ?
- Subject: Re: Wonder prototypes docs ?
- From: Mike Schrag <email@hidden>
- Date: Tue, 2 Dec 2008 20:31:31 -0500
There's not anything particularly different or special about
Wonder's prototypes that I know of... they're just pre-configured
prototypes for several different databases. That makes them
incredibly convenient. How to use prototypes in general is
documented here:
There are two special things, really -- one is really a WOLips
"special" and the other is really more of just how Wonder TREATS
prototypes more than specifically something about ERPrototypes. In
WOLips, if you ERPrototypes, WOLips will do some things automatically
for you. For instance, it will automatically add your PK with a
prototype "id" (and I think there are a couple other niceties inside
of Entity Modeler, but I can't recall them offhand). As far as how
Wonder uses prototypes differently, Wonder (and now 5.4) have vendor-
specific prototypes, meaning you can define EOJDBCFrontBasePrototypes
(or is it EOFrontBaseJDBCPrototypes ... I never remember) and Entity
Modeler and the runtime will automatically "do the right thing" with
those. Wonder also does load-time prototype flattening, meaning it
takes the attributes of the prototype and pushes them into your
entities at model load time, which allows you to use the same set of
prototypes for multiple databases in a single app. I actually don't
know how 5.4 behaves with this -- it's possible that they wire this
behavior in as well given that they are down inside of EOAttribute (we
weren't at the time and so it was difficult to resolve these
dynamically).
ms
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